LENS BARREL, CAMERA, AND PERSONAL DIGITAL ASSISTANT

PROBLEM TO BE SOLVED: To provide a lens barrel constituted that can make small its dimension in the optical axis direction, when housing a lens, moreover can make not only its size on a plane crossing perpendicularly to the optical axis but also can make the size of an imaging apparatus small, and t...

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Bibliographische Detailangaben
1. Verfasser:	YAMANO TORU
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a lens barrel constituted that can make small its dimension in the optical axis direction, when housing a lens, moreover can make not only its size on a plane crossing perpendicularly to the optical axis but also can make the size of an imaging apparatus small, and then make large the moving amount of a retreat lens in the optical axis direction. SOLUTION: The lens barrel 100 is equipped with a straight advance barrel 21, two-group frame 23, shutter 24, retreat lens holding frame 25, rotary barrel (small) 31, liner (small) 32, rotary barrel (large) 33, liner (large) 34, fixed frame 35, spring 38, and photographic lenses 11, 12, 13, 14, 15 and 16. COPYRIGHT: (C)2008,JPO&INPIT